| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a transaction system for giving fair service to customers. SOLUTION: This transaction system can take the value obtained by adding an additional interest on a standard interest determined according to the sum and period of a time deposit when a customer makes a contract for the time deposit as the interest of the concerned time deposit. The customer can select addition of interest without receiving a giveaway. When the customer receives the giveaway, however, the interest of the deposit is set to the standard interest. As service provided when the customer does not receive the giveaway, there are lowering of interest of loaning, reduction and exemption of various commission, and reduction and exemption of a rental fee of a safety-deposit box in addition to the above.</p> |
